Electric plug aperture indicator



July 11, 1933. w DRECKMANN 1,917,638

ELECTRIC PLUG APERTURE INDICATOR Filed March 12, 1931 INVENTOR 4EWDiec/emalm BYyE e ATTORNEY Patented July 11, 1933 v v I UNITED STATESPATENT orrlcl-z I EDNA 'W. I)IECKMANN, ORANGE, NEW JERSEY ELECTRIC PLUGAYERTURE INDICATOR Application filed March 12, 1931. Serial No. 521,899.

The main object of this invention is to head 11 upon which a fiat face12 is formed. provide a socket in which the apertures or The lower endof the body is provided with openings for complemental' plugs may be theusual type of screw sleeve 13 which forms readily found. It should benoted that these one of the terminals of this socket member.

sockets with apertures therein for the ter- In the usual type of socketa pair of elonminal studs of plugs are now in universal gated,rectangular apertures 14 and 15 are use, and are screwed into an outletin a baseformed. These apertures are adapted to reboard or wall forconvenience. In a subceive the entering terminal studs of an elecduedlight or in the darkness it is very often trical plug not shown on thedrawing. The

an exceedingly difiicult matter to align the face 12 of the flange 11has a strip of material terminal studs of a plug with the aperturesmounted between the apertures 14 and in r in the socket to attain thenecessary eleca direction preferably at right an les to these tricalconnection. This invention has for its apertures as indicated by 16. hisstrip of primary purpose to provide means for indimaterial if preferablyformed of some irides- 15 eating the angle or location of the aperturecent substance, and may be a layer of paper,

so that the terminal studs of a plug may be mother-of-pearl, or anyother suitable matequickly and readily matched so that the necrial whichis of'a contrasting color, and may essary connection may be made. Theindibe coated with a radiant pigment so as to cater provided on a socketof this type is obtain iridescence in order to be visible in a equippedwith iridescent surfaces so that the subdued light or darkness. locationof the apertures in the socket may In the modified form of device shownin be readily visualized in any degree of light Figure 2 the field ofthe socket is geometricalor illumination or even within a reasona 1y 1ydivided into four irregular quadrants, two dark chamber or dwellin ofwhich are joined to each other. The

25 The aboveand other dhjects will become quadrants 17 are preferablycolored with apparent in the description below in which dark materialwhile the convergent, triangucharactersiof reference refer to like-namedlar joined segments 18 have their surfaces parts in the drawing. coatedwith some suitable iridescent material Referring briefly to the clawing,Figure 1 such as previously mentioned. In these quadis a perspectiveview of an electrical socket rants 18 are aligned apertures 19 whichreshowing the receiver apertures and the ceive the terminal studs ofaplug socket.

means of indicating the position of these In the modification shown inFigure 3 the apertures mounted upon the face of the field or face of thesocket is colored with some socket. dark pigment as indicated by thenumeral Figure 2 is a top plan view of a modified 20 and in these darkareas the apertures 21 type socket showing the geometrical division ofthe socket are located. of the face of the socket to indicate the po-Between these apertures the diametral sition of the apertures therein.area 22 coated with an iridescent material is A Figure 4 is aperspective view of a popuprovided. This area at its extremity is flaredlar type of outlet fixture showing my indioutwardly to present a fieldlarge enough to eating strip mounted in place thereon. be visible froman appreciable distance by Figure 3 is a view similar to Figure 2 withthe user of the plug. a different type of geometrical division of theThe plug illustrated in various modificaface of the socket to indicatethe position of tions on the accompanying drawing is adaptthe aperturesthereon. ed to indicate the position of the apertures Referring indetail to the drawing, the forming part of the lug no matter whatnumeral 10 indicates the body of a universalangle these apertures ndthemselves in in a ly used type of screw socket which is adaptedparticular outlet. By providing an illumi-' +1 1.... mmsivsa in anoutlet of an electrical nated or contrasted surface between the aP 1 1'...1 L1 I will an indication of the approximate positions of theapertures is had to the user of the plug.

I propose to provide a strip of material having light reflectingpurposes such as radium, mother-ofarl or similar other suitablematerials. placing this strip of material of a contrasting color on thesocket between the apertures as indicated by the numerals 16 and 22 oraligned with the aper? ture; as indicated by the numeral 18 in FigureThe indicator is provided for definitely showing the ap roximateposition of the aperture so that t e user of t, e socket need not berequired to probe for these apertures.

In the modi cation shown in Fi re 4 a view of a popular type of outletbox 15 shown. This outlet box comprises the guard plate 23 from whichtwo outlet members 24 and 25 project. These outlet members are simiiarlydeparting from the spirit and scope of the invention.

I claim:

In a socket having a face and terminal apertures therein, a rectangularstrip of eelluminous material afiixed on and extending diametrically onsaid face between said apertures, the long sides of said strip lyingadjacent and parallel to the long sides of said apertures.

In testimon whereof I affix my signature.

llDNA W. DIECKMANN.

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